Hydroformylation catalysts Rh-42, Rh-43 (ROPAC) and Rh-50

Our rhodium hydroformylation catalysts are air stable, contain no halide and have good solubility in organic solvents. They are normally used with ligands such as triphenylphosphine.

ROPAC has a higher rhodium content than Rh-42 and has been used for hydroformylation since the development of the low pressure oxo process in the 1970’s.

Rh-50 is more hazardous than ROPAC and has a significant vapour pressure. It should be handled with appropriate precautions.

Product family
Pgm compound (solid)

Process
Hydroformylation

Market
Chemicals

Product Chemical formula Chemical structure  Product codes CAS number Rhodium content Colour SDS
Rh-42 (CO)H(PPh3)3Rh Chemical structure of Rh-42 UK: 209042
US: C3021
17185-29-4 10.0-11.4 %w/w Yellow

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Rh-43, ROPAC Rh(CO)(PPh3)(acac) Chemical structure of Rh-43 UK: 207000 25470-96-6 19.3 – 21.2 %w/w Yellow

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Rh-50, rhodium coacac Rh(acetylacetonate)(CO)2  Chemical structure of Rh-50 UK: 209050
US: C3022
14874-82-9 38.5 – 40.0 % w/w Red/green (dichroic)

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